EPS (expandable polystyrene) fireproof thermal-insulating plate
A technology of fire-proof insulation boards and particles, which is applied in the directions of heat preservation, fire prevention, building components, etc., to achieve the effects of good waterproofness, improved tensile strength, and superior environmental performance.
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Embodiment 1
[0020] 20 parts of silicone-modified styrene-acrylic emulsion, 10 parts of oxypolydimethylsiloxane, 5 parts of silicone rubber, 3 parts of organometallic compound, 30 parts of fumed silica, 21 parts of ammonium polyphosphate, 5 parts of pentaerythritol 1 part, 1 part of zinc borate, 2 parts of titanium dioxide (filler) and 3 parts of dispersant (auxiliary) and mix well in advance.
[0021] The expandable polystyrene masterbatch granules (the mixture of expandable EPS granules and 4.8%-6.8% n-pentane of the expandable EPS granule weight) are fed into a steam pressure of 0.2-0.4MPa, preheated Pre-expand in a pre-expansion machine at 75-85°C, and obtain pre-expanded polystyrene masterbatch particles after 8-9 hours of aging;
[0022] Then the prefabricated flame retardant slurry and the pre-expanded polystyrene masterbatch particles are mixed evenly according to the ratio of 1:4 by weight, so that the flame retardant slurry is wrapped in the pre-expanded polystyrene masterbatch p...
Embodiment 2
[0024] 15 parts of silicone-modified styrene-acrylic emulsion, 8 parts of oxypolydimethylsiloxane, 4 parts of silicone rubber, 2 parts of organometallic compound, 25 parts of fumed white carbon black, 18 parts of ammonium polyphosphate, 4 parts of pentaerythritol 1 part, 0.5 part of zinc borate, 2 parts of quartz powder (filler) and 2 parts of dispersant (auxiliary) and mix well in advance.
[0025] The expandable polystyrene masterbatch granules (the mixture of expandable EPS granules and 4.8%-6.8% n-pentane of the expandable EPS granule weight) are fed into a steam pressure of 0.2-0.4MPa, preheated Pre-expand in a pre-expansion machine at 75-85°C, and obtain pre-expanded polystyrene masterbatch particles after 8-9 hours of aging;
[0026] Then the prefabricated flame retardant slurry and the pre-expanded polystyrene masterbatch particles are mixed evenly according to the ratio of 1:2 by weight, so that the flame retardant slurry is wrapped in the pre-expanded polystyrene mas...
Embodiment 3
[0028] 25 parts of silicone-modified styrene-acrylic emulsion, 12 parts of oxypolydimethylsiloxane, 6 parts of silicone rubber, 4 parts of organometallic compound, 35 parts of fumed silica, 25 parts of ammonium polyphosphate, 6 parts of pentaerythritol 1.5 parts of zinc borate, 2.5 parts of large white powder (filler) and 3.5 parts of dispersant (auxiliary) and mix well in advance.
[0029] The expandable polystyrene masterbatch granules (the mixture of expandable EPS granules and 4.8%-6.8% n-pentane of the expandable EPS granule weight) are fed into a steam pressure of 0.2-0.4MPa, preheated Pre-expand in a pre-expansion machine at 75-85°C, and obtain pre-expanded polystyrene masterbatch particles after 8-9 hours of aging;
[0030] Then the prefabricated flame retardant slurry and the pre-expanded polystyrene masterbatch particles are mixed evenly according to the ratio of 1:3 by weight, so that the flame retardant slurry is wrapped in the pre-expanded polystyrene masterbatch ...
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